SteemFest Blockchain Hack Lisboa, Portugal Create a proof of concept app running on the blockchain and win big prizes $7,222 in prizes Nov 1 – 3, 2017 69 participants
Meteor Global Distributed Hackathon 24 Hours. Hundreds of Meteor Devs. $16,730 in prizes Oct 9 – 12, 2015 920 participants
Disrupt Europe 2013 Berlin, Germany Calling hackers and developers from all over the world — join teams to hack a product within 24 hours. $5,000 in prizes Oct 26 – 27, 2013 273 participants